Sorae Additional Bces from Prussian Amber. 
25 
venational characters agree with those of P. indecisus ; the long and 
very oblique trans versomedial of the hind wings has a slight double 
curve. The hind basitarsus is quadrate, not twice as long as broad; 
its anterior margin is gently convex, and beset with black bristles. 
The tongue is short for a bee of this type, extending only 765 p 
beyond the tips of the maxillae, the latter extending about 680 p 
beyond the tips of the open mandibles. The tongue is quite broad 
(about 135 p) and has a large ,, spoon“ (100 p broad) at the end. 
The end of the second joint of the labial palpi is approximately level 
with the end of the maxillary blade; the last two joints of the labial 
palpi are rather large (the last one about 120 p long), and are directed 
obliquely outwards, at an angle of about 35 degrees with the tongue. 
The mandibles are long, with long falciform (lower) tips, and apparently 
only one notch, which is deep, and situated much below the middle 
of the cutting edge (the mandibles of P. indecisus have three notches, 
and no long apical tooth). The eyes are wide apart above, and the 
ocelli are quite large. The tegulae are ordinary, very dark reddish brown. 
In Baltic Amber; received from Dr. Tornquist. 
